Adjustable enclosure covering



FIG. 1 is an isometric view of the adjustable enclosure covering of the present invention with side flaps down;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an isometric view thereof with the side flaps up.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of an adjustable enclosure covering, as shown and described. 